The average temperature in Estes Park in September ranges from a high of 71F to a low of 42F in the evening.

For our loved ones joining us from out of state we recommend educating yourself on the effects of altitude change and how to prevent any altitude related sickness. Below is a great resource that details the affects and prevention related to elevation change. https://www.visitestespark.com/blog/post/how-to-prepare-for-an-adventure-at-altitude/